556611122 has 8 divisors (see below), whose sum is σ = 838661376. Its totient is φ = 277057332.

The previous prime is 556611113. The next prime is 556611151. The reversal of 556611122 is 221116655.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×556611122² = 619631882268197768, which contains 22 as substring.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623558 + ... + 624449.

It is an arithmetic number, because the mean of its divisors is an integer number (104832672).

Almost surely, 2^556611122 is an apocalyptic number.

556611122 is a deficient number, since it is larger than the sum of its proper divisors (282050254).

556611122 is a wasteful number, since it uses less digits than its factorization.

556611122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248232.

The product of its digits is 3600, while the sum is 29.

The square root of 556611122 is about 23592.6073590860. The cubic root of 556611122 is about 822.5910121847.

Adding to 556611122 its reverse (221116655), we get a palindrome (777727777).

The spelling of 556611122 in words is "five hundred fifty-six million, six hundred eleven thousand, one hundred twenty-two".